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-rw-r--r--lib/libc/arch/sh/gen/modf.c305
1 files changed, 0 insertions, 305 deletions
diff --git a/lib/libc/arch/sh/gen/modf.c b/lib/libc/arch/sh/gen/modf.c
deleted file mode 100644
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--- a/lib/libc/arch/sh/gen/modf.c
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@@ -1,305 +0,0 @@
-/* $OpenBSD: modf.c,v 1.1.1.1 2006/10/10 22:07:10 miod Exp $ */
-/* @(#)s_modf.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * modf(double x, double *iptr)
- * return fraction part of x, and return x's integral part in *iptr.
- * Method:
- * Bit twiddling.
- *
- * Exception:
- * No exception.
- */
-
-#include "math.h"
-
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * from: @(#)fdlibm.h 5.1 93/09/24
- */
-
-#ifndef _MATH_PRIVATE_H_
-#define _MATH_PRIVATE_H_
-
-#include <sys/types.h>
-#include <machine/endian.h>
-
-/* The original fdlibm code used statements like:
- n0 = ((*(int*)&one)>>29)^1; * index of high word *
- ix0 = *(n0+(int*)&x); * high word of x *
- ix1 = *((1-n0)+(int*)&x); * low word of x *
- to dig two 32 bit words out of the 64 bit IEEE floating point
- value. That is non-ANSI, and, moreover, the gcc instruction
- scheduler gets it wrong. We instead use the following macros.
- Unlike the original code, we determine the endianness at compile
- time, not at run time; I don't see much benefit to selecting
- endianness at run time. */
-
-/* A union which permits us to convert between a double and two 32 bit
- ints. */
-
-/*
- * The arm32 port is little endian except for the FP word order which is
- * big endian.
- */
-
-#if (BYTE_ORDER == BIG_ENDIAN) || defined(arm32)
-
-typedef union
-{
- double value;
- struct
- {
- u_int32_t msw;
- u_int32_t lsw;
- } parts;
-} ieee_double_shape_type;
-
-#endif
-
-#if (BYTE_ORDER == LITTLE_ENDIAN) && !defined(arm32)
-
-typedef union
-{
- double value;
- struct
- {
- u_int32_t lsw;
- u_int32_t msw;
- } parts;
-} ieee_double_shape_type;
-
-#endif
-
-/* Get two 32 bit ints from a double. */
-
-#define EXTRACT_WORDS(ix0,ix1,d) \
-do { \
- ieee_double_shape_type ew_u; \
- ew_u.value = (d); \
- (ix0) = ew_u.parts.msw; \
- (ix1) = ew_u.parts.lsw; \
-} while (0)
-
-/* Get the more significant 32 bit int from a double. */
-
-#define GET_HIGH_WORD(i,d) \
-do { \
- ieee_double_shape_type gh_u; \
- gh_u.value = (d); \
- (i) = gh_u.parts.msw; \
-} while (0)
-
-/* Get the less significant 32 bit int from a double. */
-
-#define GET_LOW_WORD(i,d) \
-do { \
- ieee_double_shape_type gl_u; \
- gl_u.value = (d); \
- (i) = gl_u.parts.lsw; \
-} while (0)
-
-/* Set a double from two 32 bit ints. */
-
-#define INSERT_WORDS(d,ix0,ix1) \
-do { \
- ieee_double_shape_type iw_u; \
- iw_u.parts.msw = (ix0); \
- iw_u.parts.lsw = (ix1); \
- (d) = iw_u.value; \
-} while (0)
-
-/* Set the more significant 32 bits of a double from an int. */
-
-#define SET_HIGH_WORD(d,v) \
-do { \
- ieee_double_shape_type sh_u; \
- sh_u.value = (d); \
- sh_u.parts.msw = (v); \
- (d) = sh_u.value; \
-} while (0)
-
-/* Set the less significant 32 bits of a double from an int. */
-
-#define SET_LOW_WORD(d,v) \
-do { \
- ieee_double_shape_type sl_u; \
- sl_u.value = (d); \
- sl_u.parts.lsw = (v); \
- (d) = sl_u.value; \
-} while (0)
-
-/* A union which permits us to convert between a float and a 32 bit
- int. */
-
-typedef union
-{
- float value;
- u_int32_t word;
-} ieee_float_shape_type;
-
-/* Get a 32 bit int from a float. */
-
-#define GET_FLOAT_WORD(i,d) \
-do { \
- ieee_float_shape_type gf_u; \
- gf_u.value = (d); \
- (i) = gf_u.word; \
-} while (0)
-
-/* Set a float from a 32 bit int. */
-
-#define SET_FLOAT_WORD(d,i) \
-do { \
- ieee_float_shape_type sf_u; \
- sf_u.word = (i); \
- (d) = sf_u.value; \
-} while (0)
-
-/* ieee style elementary functions */
-extern double __ieee754_sqrt(double);
-extern double __ieee754_acos(double);
-extern double __ieee754_acosh(double);
-extern double __ieee754_log(double);
-extern double __ieee754_atanh(double);
-extern double __ieee754_asin(double);
-extern double __ieee754_atan2(double,double);
-extern double __ieee754_exp(double);
-extern double __ieee754_cosh(double);
-extern double __ieee754_fmod(double,double);
-extern double __ieee754_pow(double,double);
-extern double __ieee754_lgamma_r(double,int *);
-extern double __ieee754_gamma_r(double,int *);
-extern double __ieee754_lgamma(double);
-extern double __ieee754_gamma(double);
-extern double __ieee754_log10(double);
-extern double __ieee754_sinh(double);
-extern double __ieee754_hypot(double,double);
-extern double __ieee754_j0(double);
-extern double __ieee754_j1(double);
-extern double __ieee754_y0(double);
-extern double __ieee754_y1(double);
-extern double __ieee754_jn(int,double);
-extern double __ieee754_yn(int,double);
-extern double __ieee754_remainder(double,double);
-extern int __ieee754_rem_pio2(double,double*);
-extern double __ieee754_scalb(double,double);
-
-/* fdlibm kernel function */
-extern double __kernel_standard(double,double,int);
-extern double __kernel_sin(double,double,int);
-extern double __kernel_cos(double,double);
-extern double __kernel_tan(double,double,int);
-extern int __kernel_rem_pio2(double*,double*,int,int,int,const int*);
-
-
-/* ieee style elementary float functions */
-extern float __ieee754_sqrtf(float);
-extern float __ieee754_acosf(float);
-extern float __ieee754_acoshf(float);
-extern float __ieee754_logf(float);
-extern float __ieee754_atanhf(float);
-extern float __ieee754_asinf(float);
-extern float __ieee754_atan2f(float,float);
-extern float __ieee754_expf(float);
-extern float __ieee754_coshf(float);
-extern float __ieee754_fmodf(float,float);
-extern float __ieee754_powf(float,float);
-extern float __ieee754_lgammaf_r(float,int *);
-extern float __ieee754_gammaf_r(float,int *);
-extern float __ieee754_lgammaf(float);
-extern float __ieee754_gammaf(float);
-extern float __ieee754_log10f(float);
-extern float __ieee754_sinhf(float);
-extern float __ieee754_hypotf(float,float);
-extern float __ieee754_j0f(float);
-extern float __ieee754_j1f(float);
-extern float __ieee754_y0f(float);
-extern float __ieee754_y1f(float);
-extern float __ieee754_jnf(int,float);
-extern float __ieee754_ynf(int,float);
-extern float __ieee754_remainderf(float,float);
-extern int __ieee754_rem_pio2f(float,float*);
-extern float __ieee754_scalbf(float,float);
-
-/* float versions of fdlibm kernel functions */
-extern float __kernel_sinf(float,float,int);
-extern float __kernel_cosf(float,float);
-extern float __kernel_tanf(float,float,int);
-extern int __kernel_rem_pio2f(float*,float*,int,int,int,const int*);
-
-#endif /* _MATH_PRIVATE_H_ */
-#ifdef __STDC__
-static const double one = 1.0;
-#else
-static double one = 1.0;
-#endif
-
-#ifdef __STDC__
- double modf(double x, double *iptr)
-#else
- double modf(x, iptr)
- double x,*iptr;
-#endif
-{
- int32_t i0,i1,j0;
- u_int32_t i;
- EXTRACT_WORDS(i0,i1,x);
- j0 = ((i0>>20)&0x7ff)-0x3ff; /* exponent of x */
- if(j0<20) { /* integer part in high x */
- if(j0<0) { /* |x|<1 */
- INSERT_WORDS(*iptr,i0&0x80000000,0); /* *iptr = +-0 */
- return x;
- } else {
- i = (0x000fffff)>>j0;
- if(((i0&i)|i1)==0) { /* x is integral */
- u_int32_t high;
- *iptr = x;
- GET_HIGH_WORD(high,x);
- INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
- return x;
- } else {
- INSERT_WORDS(*iptr,i0&(~i),0);
- return x - *iptr;
- }
- }
- } else if (j0>51) { /* no fraction part */
- u_int32_t high;
- *iptr = x*one;
- GET_HIGH_WORD(high,x);
- INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
- return x;
- } else { /* fraction part in low x */
- i = ((u_int32_t)(0xffffffff))>>(j0-20);
- if((i1&i)==0) { /* x is integral */
- u_int32_t high;
- *iptr = x;
- GET_HIGH_WORD(high,x);
- INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */
- return x;
- } else {
- INSERT_WORDS(*iptr,i0,i1&(~i));
- return x - *iptr;
- }
- }
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.